N 9th St Air Quality

Monitoring Station · Center City, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
19 2am
18
22
22 5am
22
22
22 8am
22
22
22 11am
22
29
29 2pm
29
29
— 5pm
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— 8pm
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— 11pm
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Station readings
19
18
CAMS model adj -5
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34

Air Quality Forecast (24h)

PM2.54.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
1401 John F Kennedy Blvd
0.9 km PM2.5: 5.1 µg/m³
18
807 Lombard St
1.1 km PM2.5: 4.3 µg/m³
19
315 N 18th St
1.4 km PM2.5: 4.5 µg/m³
18
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 4.4 µg/m³
18
1901 Walnut St
1.6 km PM2.5: 4.4 µg/m³
19
2100 Pine St
2.0 km PM2.5: 4.6 µg/m³
9
Annin Street, Philadlephia
2.1 km PM2.5: 2.1 µg/m³
18
S Christopher Columbus Blvd
2.1 km PM2.5: 4.4 µg/m³

Nearby Cities

19 Center City 21 Philadelphia 19 Rittenhouse 19 Fishtown 18 Pennsport 19 Wharton 18 Point Breeze 18 University City 20 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:48 UTC.